#!/sbin/runscript
# Copyright 1999-2014 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$

PIDFILE=/var/run/tor/tor.pid
CONFFILE=/etc/tor/torrc
GRACEFUL_TIMEOUT=${GRACEFUL_TIMEOUT:-60}

# See bug #523552, and https://trac.torproject.org/projects/tor/ticket/5525
# Graceful = wait 30 secs or so until all connections are properly closed.
extra_commands="checkconfig"
extra_started_commands="graceful gracefulstop reload"
description="Anonymizing overlay network for TCP"
description_checkconfig="Check for valid config file."
description_reload="Reload the configuration."
description_graceful="Gracefully restart."
description_gracefulstop="Gracefully stop."

depend() {
        need net
}

checkconfig() {
        # first check that it exists
        if [ ! -f ${CONFFILE} ] ; then
                eerror "You need to setup ${CONFFILE} first"
                eerror "Example is in ${CONFFILE}.sample"
                return 1
	fi

	# now verify whether the configuration is valid
	/usr/bin/tor --verify-config -f ${CONFFILE} > /dev/null 2>&1
	if [ $? -eq 0 ] ; then
		einfo "Tor configuration (${CONFFILE}) is valid."
		return 0
	else
		eerror "Tor configuration (${CONFFILE}) not valid."
		/usr/bin/tor --verify-config -f ${CONFFILE}
		return 1
	fi
}

start() {
	checkconfig || return 1
	checkpath -d -m 0755 -o tor:tor /var/run/tor
        ebegin "Starting Tor"
        HOME=/var/lib/tor
	start-stop-daemon --start --pidfile "${PIDFILE}" --quiet --exec /usr/bin/tor  -- -f "${CONFFILE}" --runasdaemon 1 --PidFile "${PIDFILE}" > /dev/null 2>&1
        eend $?
}

stop() {
        ebegin "Stopping Tor"
	start-stop-daemon --stop --pidfile "${PIDFILE}" --exec /usr/bin/tor -- --PidFile "${PIDFILE}"
        eend $?
}

graceful() {
	gracefulstop
	start
	eend $?
}

gracefulstop() {
	local rc=0
        ebegin "Gracefully stopping Tor"
	ebegin "This can take up to ${GRACEFUL_TIMEOUT} seconds"
	start-stop-daemon -P --stop --signal INT -R ${GRACEFUL_TIMEOUT} --pidfile "${PIDFILE}" --exec /usr/bin/tor -- --PidFile "${PIDFILE}"
	rc=$?
	eend "done"
	eend $rc
}

reload() {
	if [ ! -f ${PIDFILE} ]; then
		eerror "${SVCNAME} isn't running"
		return 1
	fi
	checkconfig || return 1
	ebegin "Reloading Tor configuration"
	start-stop-daemon --signal HUP --pidfile ${PIDFILE}
	eend $?
}